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Employers › CA

Mining, Quarrying, Oil & Gas · Signal Hill, CA

Signal Hill Petroleum

According to OSHA enforcement records (2010–2026), Signal Hill Petroleum has a concerning safety record: 8 violations across 2 inspections. See the full breakdown below.

Top 25% by penalty38% serious
$15,950
OSHA penalties
8
Violations cited
2
OSHA inspections
#22,679
of 100,495 penalized employers

Signal Hill Petroleum in Signal Hill, CA has been the subject of 2 OSHA workplace inspections and 8 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $15,950. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

OSHA has inspected Signal Hill Petroleum 2 times across a longer 11-year span, an infrequent cadence. These inspections resulted in 8 violations, averaging 4.0 per inspection, above what's typical for a single visit. Its total OSHA penalty ranks in the top quarter of penalized employers nationally. Of these, 3 were classified as serious - indicating hazards that could cause death or serious harm. Against the Mining, Quarrying, Oil & Gas industry average of 2 inspections per employer, this sits roughly in line with peers (0.9x the sector average) on inspection frequency. For comparison, Bohan Express / Hale Trucking in Vici, OK is another mining, quarrying, oil & gas employer with 0 OSHA inspections on record and $0 in current penalties.

4.0
violations per inspection
37.5%
of violations were serious
77%
of penalized employers rank lower

How Signal Hill Petroleum compares on OSHA penalties

Total current penalty vs the Mining, Quarrying, Oil & Gas per-employer average

in penalties

What this shows Signal Hill Petroleum runs well above peers (3.6x the sector average) in total OSHA penalties.

Source U.S. Department of Labor, OSHA enforcement extracts As of 2026

Where this penalty ranks nationally

Total current OSHA penalty vs every U.S. employer with a nonzero penalty

$15,950 Bottom 23% least affordable more affordable than 23% of 100,495 U.S. employers with a penalty

$0–$5,000: 44,435 U.S. employers with a penalty (44%). Below this entry. $5,000–$10,000: 20,628 U.S. employers with a penalty (21%). Below this entry. $10,000–$15,000: 11,165 U.S. employers with a penalty (11%). Below this entry. $15,000–$20,000: 6,629 U.S. employers with a penalty (7%). This entry sits in this band. $20,000–$25,000: 4,205 U.S. employers with a penalty (4%). Above this entry. $25,000–$30,000: 2,885 U.S. employers with a penalty (3%). Above this entry. $30,000–$35,000: 2,052 U.S. employers with a penalty (2%). Above this entry. $35,000–$40,000: 1,483 U.S. employers with a penalty (1%). Above this entry. $40,000–$45,000: 1,120 U.S. employers with a penalty (1%). Above this entry. $45,000–$50,000: 792 U.S. employers with a penalty (1%). Above this entry. $50,000–$55,000: 5,101 U.S. employers with a penalty (5%). Above this entry. This employer $0 $55,000 every penalized U.S. employer, bucketed by value

Each bar is a $5K-wide band; taller bars hold more U.S. employers with a penalty. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Department of Labor, OSHA enforcement extracts · 2026

What the Data Says About Signal Hill Petroleum

The federal enforcement record for Signal Hill Petroleum in Signal Hill, CA includes 2 OSHA inspections and 8 violations, translating to 4.00 violations per inspection. Of those violations, 3 (37.5%) were classified as serious, 0 (0.0%) as willful, and 0 (0.0%) as repeat. Serious violations denote hazards likely to cause death or serious physical harm; willful and repeat categories indicate intentional disregard or recurrence of previously cited hazards.

OSHA assessed $45,252 in initial penalties against this employer, later adjusted to a current total of $15,950 - a 64.8% reduction. Average penalty per inspection works out to $7,975. Against the Mining, Quarrying, Oil & Gas industry average of $4,394 per employer, this record runs well above peers (3.6x the sector average).

Inspection activity spans from 2015-03-13 to 2026-02-04, a window of roughly 11 years.

Enforcement detail

OSHA Inspection History

Total Inspections

2

First Inspection

2015-03-13

Last Inspection

2026-02-04

Inspection Span

11 yrs

Violations / Inspection

4.0

Avg Penalty / Inspection

$7,975

Industry Avg / Inspection

$2,034

What this shows 2 inspections over 11 years, averaging 4.0 violations per visit. That's $7,975 per inspection vs. the Mining, Quarrying, Oil & Gas average of $2,034.

Enforcement detail

Violation Breakdown

3

Serious

37.5% of total

0

Willful

0.0% of total

0

Repeat

0.0% of total

5

Other-Than-Serious

62.5% of total

What this shows Serious violations involve hazards that could cause death or serious physical harm. Willful violations indicate intentional or knowing disregard of the law. Repeat violations are for hazards previously cited within the past 5 years.

Enforcement detail

Penalty Analysis

Initial Penalty Assessed

$45,252

Current Penalty Amount

$15,950

Penalty Reduction

64.8%

What this shows Penalties were reduced by $29,302 from the initial assessment of $45,252. Reductions may result from informal settlements, formal contests, or negotiated agreements with OSHA.

Industry Safety Context: Mining, Quarrying, Oil & Gas

How Signal Hill Petroleum compares to the Mining, Quarrying, Oil & Gas sector, which has 2,359 employers tracked by PlainWorker.

Metric Signal Hill Petroleum Industry Avg
Inspections 2 2.2
Violations 8 3.1
Total Penalty $15,950 $4,394
Avg Penalty per Inspection $7,975 $2,034
View all 2,359 employers in Mining, Quarrying, Oil & Gas →

Nearby & Similar Employers in Mining, Quarrying, Oil & Gas

Bostick Services
Crescent, OK
0 inspections $0
Precision Drilling Company, LP
Pecos, TX
2 inspections $15,942
Bohan Express / Hale Trucking
Vici, OK
0 inspections $0
Mid South Carbon Corporation
Saint Albans, WV
0 inspections $0
Watco Terminal & Port Services
Tioga, ND
0 inspections $0

Compare Signal Hill Petroleum vs Bostick Services side-by-side →

Frequently Asked Questions

Is Signal Hill Petroleum safe to work at? ▼
Based on OSHA records, Signal Hill Petroleum's workplace safety record is concerning, with multiple serious compliance issues. The employer has 8 violations across 2 inspections, including 3 serious violations. Compared to Mining, Quarrying, Oil & Gas industry peers, this is above average for penalties. Review the full inspection history below for details.
How many OSHA violations does Signal Hill Petroleum have? ▼
Signal Hill Petroleum has 8 OSHA violations on record, including 3 serious, 0 willful, and 0 repeat violations. The total current penalty amount is $15,950.
How many OSHA inspections has Signal Hill Petroleum had? ▼
Signal Hill Petroleum has had 2 OSHA inspections, with the first recorded on 2015-03-13 and the most recent on 2026-02-04. This averages 4.0 violations per inspection.
What is the total penalty amount for Signal Hill Petroleum? ▼
Signal Hill Petroleum has been assessed $15,950 in current OSHA penalties, reduced from an initial assessment of $45,252 (a 64.8% reduction).
Does Signal Hill Petroleum have any serious or willful violations? ▼
Yes. Signal Hill Petroleum has 3 serious violations. Serious violations involve hazards likely to cause death or serious physical harm. Willful violations indicate the employer intentionally or knowingly disregarded the law.
What industry does Signal Hill Petroleum operate in? ▼
Signal Hill Petroleum operates in the Mining, Quarrying, Oil & Gas sector (NAICS code 211120). This industry has 2,359 employers tracked by PlainWorker, with 5,096 total OSHA inspections and $10.36M in cumulative penalties.
How does Signal Hill Petroleum's safety record compare to industry average? ▼
Signal Hill Petroleum's total OSHA penalty of $15,950 is above the Mining, Quarrying, Oil & Gas industry average of $4,394 per employer (3.6x the average). The employer has 2 inspections compared to the industry average of 2.2 per employer. For a direct comparison, Bohan Express / Hale Trucking in Vici, OK is a similar mining, quarrying, oil & gas employer with $0 in current penalties.

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Mining, Quarrying, Oil & Gas Industry

All 2,359 employers in this sector
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What to check next

Signal Hill Petroleum's record is one establishment in a larger pattern. Use it as a research checklist, not a verdict on the employer overall.

These figures are the federal enforcement record on file and reflect past inspections, not a statement about current workplace conditions. See the disclaimer for how to read them.

Data Sources & Methodology ▼

Data as of 2026. Source: U.S. Department of Labor (OSHA, WHD).

Source: OSHA Enforcement Data

Inspection and violation records from the Occupational Safety and Health Administration (OSHA), U.S. Department of Labor, covering the period 2010–2026. Includes inspection dates, violation types (serious, willful, repeat, other-than-serious), and penalty amounts. Penalties shown are current assessed amounts and may differ from original citations due to settlement, contest, or reduction.

Source: Wage and Hour Division (WHD)

Compliance actions from the WHD, covering enforcement of the Fair Labor Standards Act (FLSA), including minimum wage, overtime, and child labor violations. Back wages represent amounts owed to affected employees as determined by WHD investigations.

Employer Matching

Employers are matched across OSHA and WHD datasets by name, state, and city. Employers included in PlainWorker have 2 or more OSHA inspections or $1,000+ in WHD back wages. Data is updated monthly from data.dol.gov.

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Every figure on PlainWorker is rendered directly from official U.S. Department of Labor OSHA and Wage & Hour Division enforcement records, no number is typed in by an editor. This employer's ratios (penalty-per-violation, industry comparisons) are computed live from the 2 inspections on record. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.